class_docstr: A random shuffling buffer implementation. Items can be added to the buffer and retrieved in a random order.
code: def can_retrieve(self):
      return self._size >= self._min_after_dequeue or (
          self._done_adding and self._size > 0
      )
  
imports: import abc
  from collections import deque
  import numpy
  import six
label_desc: Use image node_id 5 for calling the RandomShufflingBuffer obj's underlying member method code with example usage: obj.can_retrieve() and returns: unknown